What Is CEFR? A1 to C2 Language Levels Explained

You will see CEFR levels everywhere in language learning - on courses, in job postings, on vocabulary lists. Here is what A1, A2, B1, B2, C1, and C2 actually mean, and how to figure out where you sit right now.

CEFR stands for the Common European Framework of Reference for Languages. It was developed by the Council of Europe in the early 2000s and has become the international standard for describing language ability. If you have ever seen "B1 Spanish" on a CV, "A2 French" on a course description, or seen vocabulary lists organized by level, that is CEFR.

It exists because before it, every country and language program used its own scale. A "level 4" in one school meant nothing in another. CEFR fixed that by defining six common levels - A1, A2, B1, B2, C1, C2 - that mean roughly the same thing in any language.

The six levels at a glance

CEFR groups levels into three bands: A (basic user), B (independent user), and C (proficient user). Each band has two sub-levels.

What you can actually do at each level

The official descriptions are abstract. Here is what each level looks like in real life.

A1: You can introduce yourself, order food from a menu (with effort), ask basic directions, and understand if someone speaks slowly and clearly using simple vocabulary. You cannot follow normal conversation, watch TV without subtitles, or read anything beyond signs and very short messages.

A2: You can have very short transactional conversations - shopping, simple service interactions, basic small talk. You understand short, clear announcements. You can write simple notes and short emails. Native-speed conversation is still mostly out of reach.

B1: This is the threshold of conversational fluency. You can hold a real conversation on familiar topics - work, family, hobbies, travel. You can follow the gist of TV programs in clear standard speech. You can read straightforward articles. You will still struggle with fast colloquial speech, idiom, and complex topics.

B2: You can discuss almost any topic, follow most native-speaker speech (films, podcasts, conversations), read newspapers and most novels, and write detailed text on a wide range of subjects. You can hold your own with native speakers without forcing them to slow down or simplify.

C1: You can use the language flexibly for professional or academic purposes. You can read complex texts including specialized articles. You can follow extended speech even when it is not clearly structured. You can express ideas precisely, including subtle distinctions.

C2: You operate in the language essentially as a native would, with the rare exception of cultural references or very specialized domains. You can summarize complex information, reconstruct arguments coherently, and use idiom and colloquialism naturally.

Vocabulary size at each level

CEFR does not officially specify vocabulary size, but research and exam boards converge on these estimates.

How to figure out your current level

There are three ways to determine your CEFR level, ranked by accuracy.

The most accurate is to take an official certification exam (Cambridge, DELE, DELF, TestDaF, CILS, depending on the language). These cost money and take time but produce a defensible result you can put on a CV. They test reading, writing, listening, and speaking - the full picture.

The middle option is a free placement test from a reputable platform. These are not officially certified, but they correlate well with formal results. They test mostly reading and listening, sometimes vocabulary in isolation.

The fastest option is a vocabulary-based test. Vocabulary size correlates strongly with overall CEFR level, so testing where your vocabulary sits gives a reasonable estimate of where your active language ability sits. This is not a substitute for a real exam, but it is fast and free.

If you want a quick estimate right now, the free vocabulary level test will give you a CEFR estimate in a few minutes based on which words you recognize.

CEFR vs other proficiency scales

CEFR is not the only scale - it is just the most international. The main alternatives are ACTFL (used in the US), the ILR scale (used by US government), and various exam-specific scales.

Rough equivalents: ACTFL Novice = CEFR A1-A2, Intermediate = A2-B1, Advanced = B2-C1, Superior = C1-C2. ILR 1 = roughly A2, ILR 2 = roughly B1-B2, ILR 3 = C1, ILR 4 = C2. The mappings are not exact because the scales test slightly different things, but they are close enough for most purposes.

For practical use - jobs, courses, vocabulary lists, language certificates - CEFR is the safer choice in most countries outside the US. Inside the US, ACTFL is more common for academic settings.

Why CEFR matters for how you study

Knowing your CEFR level is not just an ego thing. It changes how you should study. Beginners and elementary learners (A1-A2) benefit most from structured vocabulary acquisition through frequency lists and spaced repetition - immersion in native content barely works at this level because too much is unknown.

Intermediate learners (B1-B2) hit the inflection point where the balance shifts toward immersion. Vocabulary still matters, but raw input - listening, reading, conversation - becomes the dominant driver of progress. Spaced repetition shifts to maintaining and extending vocabulary, not building from scratch.

Advanced learners (C1-C2) are mostly building skill, not vocabulary. The remaining gains come from extensive immersion, output practice, and exposure to varied registers and domains. Flashcards become a maintenance tool, not a primary method.

For the vocabulary side of this at any level, the CEFR vocabulary lists cover English, Spanish, German, French, and Italian, organized by level so you can study what is appropriate for where you actually are.